Alert archive / Kentucky / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 41, NWS Louisville, KY

April 16, 1998Logan County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Apr 16, 1998, 3:09 PM CDT for Logan County, Kentucky. It was in force for 31 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Apr 16, 1998, 3:09 PM CDT (20:09 UTC)
Expired
Apr 16, 1998, 3:40 PM CDT
In force
31 min
Issued by
NWS Louisville, KY
Area
Whole counties

County Logan County, KY

The radar

The Ft Campbell radar (KHPX), 39 km from the middle of the area, began a volume at 20:11 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Apr 16, 3:25 PM CDTHail 2.75Lewisburg, KY
Apr 16, 3:35 PM CDTTornado F1Chandlers Chapel, KY

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 16, 1:45 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 12:00Z, 8.2 hours before the alert went out and 85 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Nashville Metro, TN at 12:00Z on 1998-04-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 76 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 12:00Z on 1998-04-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
76 J/kg
Mixed-layer CIN
-20 J/kg
Mixed-layer LCL
585 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
180 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KSDF 162009 RRA
SVRSDF
KYC141-162040-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
409 PM EDT (309 PM CDT) THU APR 16 1998

* SEVERE THUNDERSTORM WARNING FOR
  LOGAN COUNTY - SOUTH CENTRAL KENTUCKY

* UNTIL 340 PM CDT (440 PM EDT)

* SOME LOCATIONS AFFECTED
  LEWISBURG BY 330 PM CDT
  ANDERSON BY 340 PM CDT

* AT 308 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES
NORTHWEST OF SHARON GROVE IN TODD COUNTY...OR 30 MILES SOUTHWEST OF
BOWLING GREEN. THE STORM WAS MOVING EAST AT 45 MPH.

IF YOU ARE OUTSIDE OR IN THE PATH OF THIS STORM...SEEK SHELTER
INSIDE A STRONG BUILDING. AVOID WINDOWS AND STAY OFF THE TELEPHONE
UNTIL THE STORM HAS PASSED.

A TORNADO WATCH IS ALSO IN EFFECT.  SEVERE THUNDERSTORMS CAN PRODUCE
TORNADOES WITH LITTLE OR NO ADVANCE NOTICE.

JA/CS

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Apr 16, 9:27 AM CDT, 5 hours 42 minutes before
TIME(EDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0625 AM    LEXINGTON                 KY   POWER LINES DOWN AROUND
04/16/98   FAYETTE                        AIRPORT.  NUMEROUS TREES
                                          ACROSS RICHMOND RD...HWY 60.

WAIDLEY
Special weather statement, Apr 16, 2:47 PM CDT, 22 minutes before
KYZ023>043-045>049-053>057-061>067-070>078-081-082-INZ076-079-083-
084-089>092-170900-

CENTRAL KENTUCKY AND SOUTH-CENTRAL INDIANA SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LOUISVILLE KY
330 PM EDT  THURSDAY  APRIL 16, 1998

THE STORM PREDICTION CENTER HAS INDICATED THAT A MODERATE RISK OF
SEVERE THUNDERSTORMS EXISTS ACROSS CENTRAL KENTUCKY AND
SOUTH-CENTRAL INDIANA LATE THIS AFTERNOON AND EVENING.

...THIS IS A POTENTIALLY DANGEROUS WEATHER SITUATION...

A COLD FRONT ACROSS WESTERN PARTS OF KENTUCKY AND INDIANA WILL SWEEP
SOUTHEASTWARD ACROSS SOUTH CENTRAL INDIANA AND CENTRAL KENTUCKY LATE
THIS AFTERNOON AND INTO THE EVENING. WARM MOIST AIR WILL BE DRAWN
NORTHWARD AHEAD OF THE FRONT. AS THE FRONT APPROACHES...NUMEROUS
THUNDERSTORMS WILL ERUPT ACROSS CENTRAL KENTUCKY AND SOUTH CENTRAL
INDIANA THROUGH THE EVENING.

SOMEWHAT UNSTABLE AIR ALONG WITH STRONG WIND SHEAR IN THE
ATMOSPHERE WILL RESULT IN THE DEVELOPMENT OF SEVERE THUNDERSTORMS.
DAMAGING WINDS AND LARGE HAIL ARE LIKELY WITH THESE STORMS...AND
ISOLATED TORNADOES ARE POSSIBLE WITH THE STRONGEST CELLS.

THIS IS A PRELIMINARY OUTLOOK.  STAY TUNED TO NOAA WEATHER RADIO
FROM THE NATIONAL WEATHER SERVICE OR THE MEDIA FOR THE LATEST
INFORMATION ON THIS POTENTIALLY DANGEROUS WEATHER SITUATION. SKYWARN
SPOTTER ACTIVATION IS EXPECTED LATER TODAY.

KOCH

The office that day

Everything else NWS Louisville, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 16, 5:00 AM CDTSevere Thunderstorm WarningLMKFayette30 min
Apr 16, 5:17 AM CDTSevere Thunderstorm WarningLMKGreen, Hart, Larue38 min
Apr 16, 5:17 AM CDTSevere Thunderstorm WarningLMKGreen, Hart, Larue28 min
Apr 16, 5:24 AM CDTSevere Thunderstorm WarningLMKClark, Madison36 min
Apr 16, 5:35 AM CDTFlash Flood WarningLMKTrimble85 min
Apr 16, 6:51 AM CDTSevere Thunderstorm WarningLMKMonroe24 min
Apr 16, 6:51 AM CDTSevere Thunderstorm WarningLMKMonroe34 min
Apr 16, 10:21 AM CDTSevere Thunderstorm WarningLMKLogan39 min
Apr 16, 3:26 PM CDTTornado WarningLMKLogan, Warren49 min
Apr 16, 4:04 PM CDTTornado WarningLMKAllen, Barren46 min
Apr 16, 4:42 PM CDTSevere Thunderstorm WarningLMKMetcalfe33 min
Apr 16, 5:04 PM CDTTornado WarningLMKAdair31 min
Apr 16, 5:35 PM CDTTornado WarningLMKAdair30 min
Apr 16, 5:44 PM CDTSevere Thunderstorm WarningLMKClinton31 min
Apr 16, 5:48 PM CDTSevere Thunderstorm WarningLMKCasey27 min
Apr 16, 6:10 PM CDTSevere Thunderstorm WarningLMKLincoln35 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 1998Every severe thunderstorm warning in 1998

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.